Glacier County, Montana Wells Summary
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Total wells
Most recent drilling
First on record
Activity status
Glacier County contains 3,257 wells on file, with top operators including New Horizon Resources LLC and Montalban Oil & Gas Operations, Inc..
Wells in Glacier span several oil & gas fields including Cut Bank and Graben Coulee.
Most recent well on record: Lander Sand Unit A-W1, operated by Texaco Exploration and Production Inc. — last updated March 2026.
Active drilling rigs · Baker Hughes snapshot, week of 2026-07-02
By basin
- 3 Williston
Drilling for
- 3 Oil
Glacier County well density
Every dot is one well — small blue dots are historic wells;
larger orange dots are wells with activity in the last 60 days.
3,257 wells plotted ·
0 active in last 60 days
Basemap © OpenStreetMap contributors · well data © Oil and Gas Information · tiles served by DynamoMap
Top Operators in Glacier County by total wells
Operators: New Horizon Resources Llc, Montalban Oil & Gas Operations, Inc., Fx Drilling Company, Inc., Union Oil Company Of California, Cut Bank Resources, Inc., Texaco Exploration And Production Inc., Mogo Reagan, Llc, Quicksilver Resources, Inc., K2 America Corporation, Carter Oil Co..
Top Oil & Gas Fields intersecting Glacier County
Fields: Cut Bank, Graben Coulee, Reagan, Big Rock, Red Creek, Little Rock, Landslide Butte, Blackfoot, Wildcat Glacier, Cut Bank, West.
Top Counties in Montana most active by total wells
Compare Glacier against the other busiest counties in Montana:
Recent wells
| Well Name | Last activity | Updates | Operator | API |
|---|---|---|---|---|
| Lander Sand Unit A-W1 | 2026-03-18 | Texaco Exploration and Production Inc. | 25035087500000 | |
| Hillside 44-7 | 2023-08-15 | Petro-Sentinel LLC | 25035222470000 | |
| Suta #16-15 | 2018-09-10 | Rock Creek Oil, Inc. | 25035222460000 | |
| Nelson #8-21 | 2018-08-26 | Rock Creek Oil, Inc. | 25035222440000 | |
| NECBSU S-802 | 2017-12-13 | New Horizon Resources LLC | 25035062480000 | |
| NECBSU X703B | 2016-02-17 | New Horizon Resources LLC | 25035222430000 | |
| NECBSU W102 | 2015-11-12 | New Horizon Resources LLC | 25035062150000 | |
| NECBSU S-702 | 2015-06-11 | New Horizon Resources LLC | 25035062460000 | |
| Tribal 194 5-35-37N-7W | 2014-09-03 | MOGO Reagan, LLC | 25035222210000 | |
| NECBSU V602 | 2014-06-12 | New Horizon Resources LLC | 25035222330000 |
Surface Ownership Records:
